About
Inside The Venue
Directions and Parking
Events and Booking

About

Part of the Center for the Sciences and Innovation (CSI), Marrs McLean Hall, an inviting and spacious facility, serves as the hub of Trinity's mathematics, geosciences, and physics research with outstanding laboratory and computing facilities.

Fast Facts:
  • CSI has been certified as a LEED Gold facility and incorporates several sustainability measures, including a landscaped bioswale that captures and filters rainwater​​​​​
Front view of Marrs McLean Hall.
Hours of operation

Monday-Friday: 7 a.m. - 10 p.m.
Saturday: 9 a.m. - 6 p.m.
Sunday: Noon - 10 p.m.

 

Inside the Venue

Take a look inside and outside of the Marrs Mclean building

  Virtual Tour - Exterior   Virtual Tour - Interior

Marrs McLean Observatory

The Marrs McLean Observatory provides students with intensive hands-on experiences in astronomy. We have eight computer-controlled Schmidt-Cassegrain telescopes, including six with 8" apertures, one with 12" apertures on our observation deck, and one with 16"apertures permanently mounted in its own dome.

Marrs McLean Observatory

 

Academic Departments

Marrs McLean Hall houses the Departments of Physics and Astronomy, Geosciences, and Mathematics.

 

Directions and Parking

Address: East Hollywood Ave, San Antonio, TX 78212

  Campus map

Directions to Marrs McLean Hall

From the North on Hwy 281 (airport): 
  • Proceed to Interstate 281 South.
  • Travel south on Hwy 281 for approximately 4 miles.
  • Exit at Hildebrand Avenue and turn right at the light off the highway.
  • Turn left onto Shook Ave.
  • Turn left onto E Rosewood Ave.
  • At the traffic circle, take the 1st exit onto W campus Ln (Destination will be on the left).
From the South on Hwy 281 (downtown/Riverwalk and Corpus Christi): 
  • Travel north on Interstate 281 North/37 North.
  • Exit at Hildebrand Avenue and turn left at the light off the highway.
  • Turn left onto Shook Ave.
  • Turn left onto E Rosewood Ave.
  • At the traffic circle, take the 1st exit onto W campus Ln (Destination will be on the left).
From the North on I-35 (Austin)
  • Travel north on Interstate 281 North/37 North.
  • Exit at Hildebrand Avenue and turn left at the light off the highway.
  • Turn left onto Shook Ave.
  • Turn left onto E Rosewood Ave.
  • At the traffic circle, take the 1st exit onto W campus Ln (Destination will be on the left).
From the East on I-10 (Houston):
  • Travel west on Interstate 10 and exit Interstate 281 North/37 North.
  • On Hwy 281 North, exit at Hildebrand Avenue and turn left at the light off the highway.
  • Turn left onto Shook Ave.
  • Turn left onto E Rosewood Ave.
  • At the traffic circle, take the 1st exit onto W campus Ln (Destination will be on the left).
From the West on I-10 (El Paso):
  • Travel east on Interstate 10.
  • Exit at Hildebrand Avenue (Exit 566B).
  • Turn left on Hildebrand and travel approximately two miles.
  • Turn right onto Shook Ave.
  • Turn left onto E Rosewood Ave.
  • At the traffic circle, take the 1st exit onto W campus Ln (Destination will be on the left).

Events and Booking Information


Upcoming Events

 

 

Booking Information

Tiger Faculty and Staff

Host an Event

Planning a large event or activity? Contact Conferences and Special Programs for more information about event planning on Trinity’s campus.

Reserve a Space or Place

Make individual space or room reservations through T-Space at tspace.trinity.edu. You’ll need your Trinity network username and password, and an idea about the date, time, location, and size of your event.

Students: Reach out to a faculty or staff sponsor for more information on event planning and space reservations.

Community Members

Host an Event

Want to use a facility or space on Trinity’s campus for your next large event or activity? Contact Conferences and Special Programs for more information.

Reserve a Space or Place

Rooms, halls, and outdoor spaces can be reserved for events such as guest lectures, meetings, or other smaller activities. Contact Conferences and Special Programs for more information.